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Reduction and Sulfation of Waste Lead Paste by Glucose-Sulfuric Acid System
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Meimei PAN1, Kui HUANG1, 2, Haili DONG1, 2, Zhangqing CHEN1, Shanjin MAO1
Hydrometallurgy of China | 2025, 44(5) : 666 - 671
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Hydrometallurgy of China | 2025, 44(5): 666-671
• Experiment Research •
Reduction and Sulfation of Waste Lead Paste by Glucose-Sulfuric Acid System
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Meimei PAN1, Kui HUANG1, 2, Haili DONG1, 2, Zhangqing CHEN1, Shanjin MAO1
Affiliations
  • 1.School of Resources, Environment and Materials, Guangxi University, Nanning　530004, China
  • 2.Key Laboratory of Environmental Protection, Education Department of Guangxi Zhuang Autonomous Region, Nanning　530004, China
Published: 2025-10-20 doi: 10.13355/j.cnki.sfyj.2025.05.012
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The composition and physicochemical properties of waste lead paste are complex, and its recycling and utilization are difficult. Among them, the reduction of high-valent PbO2 is a key problem in the recycling and treatment process of waste lead paste. The reduction sulfation reaction of converting PbO2 in waste lead paste to PbSO4 using the glucose-sulfuric acid system at room temperature was studied. The effects of sulfuric acid concentration, glucose excess coefficient, liquid volume to solid mass ratio and reaction time on the reduction sulfation process of waste lead paste were investigated. The results show that under the optimal reaction conditions of waste lead paste of 5 g, sulfuric acid concentration of 85%, excess coefficient of glucose of 3, liquid volume to solid mass ratio of 3/1, and reaction time of 3 h, the reduction rate of PbO2 is 91.88% and the mass fraction of PbSO4 is 92.52%. The system can reduce and sulfate various complex components in waste lead paste to obtain PbSO4 products of higher purity. It is green and efficient, and convenient for the subsequent recycling and treatment of waste lead paste.

waste lead paste  /  glucose  /  reduction  /  sulfation  /  lead
潘媚媚, 黄魁, 董海丽, 陈章庆, 毛珊瑾. 葡萄糖-硫酸体系对废铅膏的还原硫酸化研究. 湿法冶金, 2025 , 44 (5) : 666 -671 . DOI: 10.13355/j.cnki.sfyj.2025.05.012
Meimei PAN, Kui HUANG, Haili DONG, Zhangqing CHEN, Shanjin MAO. Reduction and Sulfation of Waste Lead Paste by Glucose-Sulfuric Acid System[J]. Hydrometallurgy of China, 2025 , 44 (5) : 666 -671 . DOI: 10.13355/j.cnki.sfyj.2025.05.012
Appendix
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Year 2025 volume 44 Issue 5
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Article Info
doi: 10.13355/j.cnki.sfyj.2025.05.012
  • Receive Date：2024-11-08
  • Online Date：2026-09-20
  • Published：2025-10-20
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  • Received：2024-11-08
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Affiliations
    1.School of Resources, Environment and Materials, Guangxi University, Nanning　530004, China
    2.Key Laboratory of Environmental Protection, Education Department of Guangxi Zhuang Autonomous Region, Nanning　530004, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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